X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=scripts%2FKbuild.include;h=b96ea8d6a5ed0eb375a4db068cdb2c564407cd42;hb=313d8e57b074d5f03dfed2755f21ae41a6f0fd5a;hp=de7bb284c6116d8ea3997ae224a25e3081aaf619;hpb=222d394d30e74bb7a2a65029fcea68107b0d0eb6;p=linux-2.6

diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index de7bb284c6..b96ea8d6a5 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -56,6 +56,17 @@ endef
 # gcc support functions
 # See documentation in Documentation/kbuild/makefiles.txt
 
+# cc-cross-prefix
+# Usage: CROSS_COMPILE := $(call cc-cross-prefix, m68k-linux-gnu- m68k-linux-)
+# Return first prefix where a prefix$(CC) is found in PATH.
+# If no $(CC) found in PATH with listed prefixes return nothing
+cc-cross-prefix =  \
+	$(word 1, $(foreach c,$(1),                                   \
+		$(shell set -e;                                       \
+		if (which $(strip $(c))$(CC)) > /dev/null 2>&1 ; then \
+			echo $(c);                                    \
+		fi)))
+
 # output directory for tests below
 TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/)